Correct
冷不防
/ lěngbufáng /
Strokes
Definition
unexpectedly/suddenly/at unawares/off guard/against expectations
Example
As an Adverb
suddenly; unexpectedly; without warning; by surprise
1
Tāmen
他们
dá
打
le
了
dírén
敌人
yī
一
gè
个
lěngbufáng
冷不防
。
They took the enemy by surprise.
2
Gěi
给
mǒurén
某人
lái
来
gè
个
lěngbufáng
冷不防
take sb by surprise; catch sb off guard